Finding the Fourth Proportional to 11,771.42, 17,659.56 and 3,451.70

Step by Step Solution

1. Step 1: Write the proportion equation
   11,771.42 : 17,659.56 = 3,451.70 : x
2. Step 2: Convert to fraction form
   11,771.42/17,659.56 = 3,451.70/x
3. Step 3: Cross multiply
   11,771.42x = 17,659.56 × 3,451.70
4. Step 4: Simplify right side
   11,771.42x = 60,955,503.25
5. Step 5: Solve for x
   x = 60,955,503.25/11,771.42
6. Step 6: Final answer
   x = 5,178.26